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| Research article summary (published 29 Jun 2002): |
Commonalities and differences in the working memory components underlying letter and category fluency tasks: a dual-task investigation.
Full Abstract
This study used a dual-task interference paradigm to test the hypothesis that different subcomponents of working memory differentially contribute to performance on letter fluency and category fluency tasks. College students (N = 96) performed each type of verbal fluency task in isolation and concurrently with I of 3 secondary tasks. The secondary tasks were chosen for their putative involvement in different working memory subcomponents. Two subsystems of working memory, the phonological loop and the visuospatial sketchpad, were identified as important contributors to fluency performance, especially to performance on letter fluency and category fluency tasks, respectively. Moreover, the results also suggest that the executive function, mental set shifting, may be deployed to perform both letter fluency and category fluency tasks.
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Author information
Author/s: Rende, Barbara (B); Ramsberger, Gail (G); Miyake, Akira (A);
Affiliation: Department of Speech, Language, and Hearing Sciences, University of Colorado at Boulder, 80309-0409, USA. Barbara.Rende(-atsign-)colorado.edu
Journal and publication information
Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
Journal: Neuropsychology (Neuropsychology), published in United States. (Language: eng)
Reference: 2002-Jul; vol 16 (issue 3) : pp 309-21
Dates: Created 2002/07/30; Completed 2003/02/04; Revised 2006/11/15;
PMID: 12146678, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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